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  3. X97M.Trevir


Risk Level 1: Very Low

June 12, 2002
February 13, 2007 12:46:55 PM
Also Known As:

This is a macro virus that infects Microsoft Excel workbooks. It uses virus code similar to that of W97M.Marker. This virus saves an infected workbook as the file XLStart.xls in the XLStart folder. It may password protect the workbook with the password "vir_ert".

Antivirus Protection Dates

  • Initial Rapid Release version June 13, 2002
  • Latest Rapid Release version June 13, 2002
  • Initial Daily Certified version June 13, 2002
  • Latest Daily Certified version June 13, 2002
  • Initial Weekly Certified release date June 19, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: Low


  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Patrick Nolan

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